Geographic Location Relationships

Geographic Locations are clearly related to each other. At the very least, the boundaries of every Geographic Area are defined by the “Latitude”, “Longitude” and elevation of a set of Geographic Points. In addition, Countries are composed of one or more Principal Country Divisions. And so forth.

Geographic Location Relationship is shown in Figure 5-2. Note that there are three principle sub-types:

·         Geographic Structure places “Colorado in The United States, and “Edinburgh in Scotland.

·         Geographic Definition associates a Geographic Point—with its “Latitude”, “Longitude”, and, where necessary, “Elevation”—with a Geographic Area or a Geographic Solid to define the latter’s boundaries.

·         ...

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